67344-77-8

基本信息
(3-溴芐基)甲基胺
N-甲基-3-溴芐胺
3-溴-N-甲基芐基胺
3-溴-N-甲基苯甲胺
3-溴-N-甲基苯甲酰胺
N-甲基-3-溴芐胺 10G
(3-BROMOBENZYL)METHY
3-BROMO-N-METHYLAMINE
(3-BROMOBENZYL)METHYLAMINE
N-Methyl-3-bromobenzylamine
3-BROMO-N-METHYLBENZYLAMINE
(3-Bromobenzyl)methylamine95%
(3-Bromobenzyl)Methylamine 95%
(3-BroMophenyl)-N-MethylMethanaMine
Benzenemethanamine, 3-bromo-N-methyl-
物理化學性質
制備方法

3132-99-8

74-89-5

67344-77-8
步驟B:在室溫下,將3-溴苯甲醛(47.5 mL,0.4 mol)溶于甲醇(460 mL)中,隨后加入甲胺的水溶液(35 mL,0.4 mol,40 wt%溶液)。將反應混合物冷卻至0℃,并分批加入硼氫化鈉(22 g,0.6 mol)。保持反應混合物在0℃下攪拌3.5小時,然后逐漸升溫至室溫。反應完成后,將混合物在減壓下濃縮,隨后用二氯甲烷和水進行分配。分離水層,并用二氯甲烷(3×)洗滌。合并有機相,依次用飽和碳酸氫鈉溶液和鹽水洗滌,然后用無水硫酸鎂干燥。過濾后,減壓濃縮有機相,得到目標產(chǎn)物N-甲基-3-溴芐胺(76 g,81%),為透明油狀物。產(chǎn)物經(jīng)1H NMR(300 MHz,CDCl3)表征:δ 7.48(d,J = 1.5 Hz,1H),7.40-7.37(m,1H),7.24-7.16(m,2H),3.73(s,2H),2.45(s,3H)。
參考文獻:
[1] Patent: US2007/21408, 2007, A1. Location in patent: Page/Page column 94; 103
[2] Journal of Medicinal Chemistry, 1981, vol. 24, # 2, p. 140 - 145
[3] Patent: WO2009/149258, 2009, A2. Location in patent: Page/Page column 21; 48
[4] Patent: US2014/275101, 2014, A1. Location in patent: Paragraph 0072; 0145; 0146
[5] Patent: WO2015/127559, 2015, A1. Location in patent: Page/Page column 55; 56